KATSALAP, O. Zoya Hayday’s concert activity in the 1930s: vocal and performance social and cultural aspects. Ukrainian musicology, [S. l.], v. 43, p. 177–193, 2017. DOI: 10.31318/0130-5298.2017.43.0.131965. Disponível em: https://musicology.com.ua/article/view/131965. Acesso em: 26 feb. 2026.